What Workday's IPO Success Says About Software — Enterprise software firm Workday finally debuted in the public markets this week. It did so in an anything but Facebook-like manner. The target price was raised before the IPO, but conservatively enough to leave a 73% pop in the stock at the start of trading.

Shares of Workday closed up 74 percent in trading debut — Shares of Workday Inc, a human resources software provider that has yet to turn a profit, closed up 74 percent in their market debut on Friday, leading some to question the lofty valuation. In the biggest tech listing since Facebook's …

Apple rethinking Samsung chip partnership, say sources — Apple appears to be in the process of shifting chip production from Samsung to Taiwan Semiconductor Manufacturing Company. — Apple has begun the process of lessening its dependency on Samsung for chipmaking, an analyst told CNET.

AMD to Cut Up to 30 Percent of Workforce — Days after warning of a huge sales and earnings miss, chipmaker Advanced Micro Devices is close to announcing a significant reduction in its workforce that could be be made public as early as next week. — According to sources familiar …

Marissa Mayer: Ready to rumble at Yahoo — Mayer - No. 3 on the 40 Under 40 - is changing the culture and welcoming new faces to the troubled web company. But this new chief (and new mom) has miles to go before she sleeps. — FORTUNE — On a Friday morning in late August …